Saily eSIM Rolls Out In-Flight Plan

International eSIM brand Saily did something really cool recently — they quietly launched an in-flight internet package, making travel connectivity that much easier.

Saily is one of the most popular eSIMs for Japan, and this is a neat little add-on to their already strong offering.

Pro tip: Use our link for 15% off a Saily eSIM for Japan.

What to know about Saily’s in-flight eSIM internet

Here are the salient points about the in-flight option for their eSIM:

• A Saily eSIM can be used for in-flight internet on selected international flights (not all flights)
• It can be used once the aircraft has taken off and reached cruising altitude
• To use the in-flight internet function, you need to open the Saily app on your phone and tap “Add Data”, then select “In-Flight”
• Important: You need to buy and activate a data package that includes the in-flight plan before boarding your flight

Which airlines does this apply to?

As of January 2026, the following airlines and aircraft supported Saily in-flight eSIM internet:

• Aer Lingus: A330
• Air Belgium: A330neo
• Asiana Airlines: A350
• Biman Bangladesh Airlines: B787
• Cathay Pacific: A350
• EgyptAir: B787
• Emirates: B777
• Etihad Airways: A350 / B777 / B787
• EVA Air: B777
• ITA Airways: A330
• Kuwait Airways: B777
• Lufthansa: A330 / A340 / A350 / A380 / B747
• Malaysia Airlines: A350
• SAS Scandinavian Airlines: A330
• Singapore Airlines: A350 / B777 / B787
• Swiss International Air Lines: A330 / A340 / B777
• TAP Air Portugal: A330
• Turkish Airlines: A330 / A350 / B777 / B787
• Uzbekistan Airways: B787

While we do our best to ensure it’s correct, information is subject to change.